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Seaflo 33 Series — Review & Specs | Pricepect | Pricepect

Home Water PumpsSeaflo 33 Series

Seaflo 33 Series — image 1

Seaflo

Seaflo 33 Series

Expert Review Analysis

The Seaflo 33 Series Water Pump and Accumulator Tank System (SFWSKA1-033-045-002) is a pre-assembled 115V AC diaphragm pump designed for marine, RV, and residential applications. It integrates a 0.2-gallon accumulator tank and strainer to minimize cycling, delivering a consistent 3.3 GPM flow at 45 PSI for quiet, efficient operation.

✓ Best for: Users needing compact, 115V AC water pressure in small residential systems, cabins, tiny homes, RVs, boats, or off-grid setups requiring 3.3 GPM for 2–3 fixtures like sinks and showers.✗ Not ideal for: Applications requiring higher than 45 PSI pressure, direct 12V DC battery power without an inverter, or installations where precise physical dimensions are critical for space-constrained environments.

Pros

✓Accumulator tank reduces pump cycling for quieter performance and extended lifespan
✓Self-priming capability allows installation up to 6 feet above the water source
✓

Best Seller Rank History

Now#2Best#2Worst#3 +1

Lower = better sales rank

Rating Trend

Rating4.6/ 5Reviews322+8 reviews -0.11

Specifications

Design

Valve MaterialEPDM

Diaphragm MaterialSantoprene

Motor TypeCorrosion-resistant

Features

Accumulator Tank Volume0.2 Gallon (23.5 oz / 0.75L) ml

Run-Dry CapabilityYes

Thermal ProtectionYes

Mounting OrientationHorizontal and Vertical

Pre-AssembledYes

General

BrandSeaflo

ManufacturerSEAFLO

ModelSFWSKA1-033-045-002

Product TypeDiaphragm pump with accumulator tank system

ColorOrange/White/Black

Performance

Open Flow Rate3.3 GPM (12.5 LPM) GPM

Max Pressure45 PSI (3.1 BAR) PSI

Pressure Switch On28–35 PSI (2.4 BAR) PSI

Pressure Switch Off45 PSI (3.1 BAR) PSI

Self-Priming Height6 feet (1.8m) mm

Ports

Inlet/Outlet Size1/2" MNPT

Power

Voltage115V AC V

Max Current Draw1.0 A A

Materials

Valve MaterialEPDM

Diaphragm MaterialSantoprene

Dimensions & Weight

Height14.57 inches

Width5.75 inches

Depth10.55 inches

Weight4.19 pounds

Research Sources

seaflodirect.com

eu.manuals.plus

seaflomarinerv.com

hydrobuilder.com

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Seaflo 33-Series vs Seaflo 33 Series

User Reviews

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4.7

(205 reviews)

$137.99

SFWSKA1-033-045-002Orange/White/Black115V - 3.3 GPM

Run-dry safe design with thermal protection prevents motor damage during dry operation

✓Low 1.0A current draw makes it suitable for standard 115V home electrical circuits

✓Pre-assembled system includes strainer and mounting plate for simplified installation

✓Corrosion-resistant materials including EPDM valves and Santoprene diaphragm ensure durability

Cons

✗Maximum pressure of 45 PSI is lower than some competitors offering 50 PSI cut-off
✗Lack of specified dimensions and weight complicates physical space planning for installers
✗Pressure switch cut-in varies between 28 and 35 PSI across documentation sources
✗No independent expert reviews or user ratings available to verify long-term reliability
✗Limited to 115V AC power, making it incompatible with direct 12V DC battery systems

From Expert Reviews

Praised by Experts

✓Pre-assembled configuration with integrated strainer simplifies setup for residential use
✓Accumulator tank effectively minimizes frequent cycling to extend pump operational life
✓Thermal protection ensures the unit remains safe during accidental run-dry conditions

Criticized by Experts

✗Manufacturer specifications lack independent third-party benchmarking or hands-on critiques
✗Inconsistent pressure switch cut-in values across different documentation sources
✗Missing physical dimension data hinders precise spatial planning for tight installations

Expert Opinion

Search results contain no professional reviews, editor tests, or third-party evaluations. Descriptions are exclusively manufacturer-provided, emphasizing reliability for home and RV use with a focus on the 3.3 GPM flow rate and anti-cycling accumulator tank, but no benchmarks or hands-on critiques from independent sites are available.

What Users Say

No consumer reviews, ratings, or testimonials are present in the search results. Retailers such as Walmart indicate 'No ratings yet,' making it impossible to determine common praise or recurring complaints from everyday users.

Common Complaints

No user complaints are reported due to the absence of consumer feedback data in the available sources.

How It Compares

vs. Seaflo 33-Series 12V (SFDP1-028-045-33)

Advantages

✓Lower 1.0A current draw suitable for standard AC outlets versus higher DC amp needs
✓Includes integrated 0.2-gallon accumulator tank versus pump-only configuration

Disadvantages

✗Requires 115V AC power instead of direct 12V DC battery compatibility
✗Slightly lower flow rate (3.3 GPM vs up to 3.5 GPM open flow on 12V model)

Choose the 115V model for home/cabin AC power setups with included tank, or the 12V model for battery/RV applications needing slightly higher open flow.

vs. Seaflo 51-Series 12V (SFWSK1-030-045-002)

Advantages

✓Significantly lower current draw (1.0A vs 8.0A) reducing electrical load
✓Integrated accumulator tank provides steady pressure without frequent cycling

Disadvantages

✗Incompatible with 12V DC systems requiring direct battery connection
✗Lower flow rate (3.3 GPM vs 3.0 GPM is comparable, but 12V draws much more power)

Choose the 115V model for efficient AC home use with low power draw, or the 51-Series 12V for van/RV applications where high current draw is manageable.

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